php-src/ext/dom/text.c
2014-01-03 11:06:16 +08:00

246 lines
6.9 KiB
C

/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2014 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Christian Stocker <chregu@php.net> |
| Rob Richards <rrichards@php.net> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#if HAVE_LIBXML && HAVE_DOM
#include "php_dom.h"
#include "dom_ce.h"
/* {{{ arginfo */
ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_text_split_text, 0, 0, 1)
ZEND_ARG_INFO(0, offset)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_text_is_whitespace_in_element_content, 0, 0, 0)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_text_replace_whole_text, 0, 0, 1)
ZEND_ARG_INFO(0, content)
ZEND_END_ARG_INFO();
ZEND_BEGIN_ARG_INFO_EX(arginfo_dom_text_construct, 0, 0, 0)
ZEND_ARG_INFO(0, value)
ZEND_END_ARG_INFO();
/* }}} */
/*
* class DOMText extends DOMCharacterData
*
* URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#ID-1312295772
* Since:
*/
const zend_function_entry php_dom_text_class_functions[] = {
PHP_FALIAS(splitText, dom_text_split_text, arginfo_dom_text_split_text)
PHP_FALIAS(isWhitespaceInElementContent, dom_text_is_whitespace_in_element_content, arginfo_dom_text_is_whitespace_in_element_content)
PHP_FALIAS(isElementContentWhitespace, dom_text_is_whitespace_in_element_content, arginfo_dom_text_is_whitespace_in_element_content)
PHP_FALIAS(replaceWholeText, dom_text_replace_whole_text, arginfo_dom_text_replace_whole_text)
PHP_ME(domtext, __construct, arginfo_dom_text_construct, ZEND_ACC_PUBLIC)
PHP_FE_END
};
/* {{{ proto void DOMText::__construct([string value]); */
PHP_METHOD(domtext, __construct)
{
zval *id;
xmlNodePtr nodep = NULL, oldnode = NULL;
dom_object *intern;
char *value = NULL;
int value_len;
zend_error_handling error_handling;
zend_replace_error_handling(EH_THROW, dom_domexception_class_entry, &error_handling TSRMLS_CC);
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O|s", &id, dom_text_class_entry, &value, &value_len) == FAILURE) {
zend_restore_error_handling(&error_handling TSRMLS_CC);
return;
}
zend_restore_error_handling(&error_handling TSRMLS_CC);
nodep = xmlNewText((xmlChar *) value);
if (!nodep) {
php_dom_throw_error(INVALID_STATE_ERR, 1 TSRMLS_CC);
RETURN_FALSE;
}
intern = (dom_object *)zend_object_store_get_object(id TSRMLS_CC);
if (intern != NULL) {
oldnode = dom_object_get_node(intern);
if (oldnode != NULL) {
php_libxml_node_free_resource(oldnode TSRMLS_CC);
}
php_libxml_increment_node_ptr((php_libxml_node_object *)intern, nodep, (void *)intern TSRMLS_CC);
}
}
/* }}} end DOMText::__construct */
/* {{{ wholeText string
readonly=yes
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-Text3-wholeText
Since: DOM Level 3
*/
int dom_text_whole_text_read(dom_object *obj, zval **retval TSRMLS_DC)
{
xmlNodePtr node;
xmlChar *wholetext = NULL;
node = dom_object_get_node(obj);
if (node == NULL) {
php_dom_throw_error(INVALID_STATE_ERR, 0 TSRMLS_CC);
return FAILURE;
}
/* Find starting text node */
while (node->prev && ((node->prev->type == XML_TEXT_NODE) || (node->prev->type == XML_CDATA_SECTION_NODE))) {
node = node->prev;
}
/* concatenate all adjacent text and cdata nodes */
while (node && ((node->type == XML_TEXT_NODE) || (node->type == XML_CDATA_SECTION_NODE))) {
wholetext = xmlStrcat(wholetext, node->content);
node = node->next;
}
ALLOC_ZVAL(*retval);
if (wholetext != NULL) {
ZVAL_STRING(*retval, wholetext, 1);
xmlFree(wholetext);
} else {
ZVAL_EMPTY_STRING(*retval);
}
return SUCCESS;
}
/* }}} */
/* {{{ proto DOMText dom_text_split_text(int offset);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-ID-38853C1D
Since:
*/
PHP_FUNCTION(dom_text_split_text)
{
zval *id;
xmlChar *cur;
xmlChar *first;
xmlChar *second;
xmlNodePtr node;
xmlNodePtr nnode;
long offset;
int ret;
int length;
dom_object *intern;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Ol", &id, dom_text_class_entry, &offset) == FAILURE) {
return;
}
DOM_GET_OBJ(node, id, xmlNodePtr, intern);
if (node->type != XML_TEXT_NODE && node->type != XML_CDATA_SECTION_NODE) {
RETURN_FALSE;
}
cur = xmlNodeGetContent(node);
if (cur == NULL) {
RETURN_FALSE;
}
length = xmlUTF8Strlen(cur);
if (offset > length || offset < 0) {
xmlFree(cur);
RETURN_FALSE;
}
first = xmlUTF8Strndup(cur, offset);
second = xmlUTF8Strsub(cur, offset, length - offset);
xmlFree(cur);
xmlNodeSetContent(node, first);
nnode = xmlNewDocText(node->doc, second);
xmlFree(first);
xmlFree(second);
if (nnode == NULL) {
RETURN_FALSE;
}
if (node->parent != NULL) {
nnode->type = XML_ELEMENT_NODE;
xmlAddNextSibling(node, nnode);
nnode->type = XML_TEXT_NODE;
}
return_value = php_dom_create_object(nnode, &ret, return_value, intern TSRMLS_CC);
}
/* }}} end dom_text_split_text */
/* {{{ proto boolean dom_text_is_whitespace_in_element_content();
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-Text3-isWhitespaceInElementContent
Since: DOM Level 3
*/
PHP_FUNCTION(dom_text_is_whitespace_in_element_content)
{
zval *id;
xmlNodePtr node;
dom_object *intern;
if (zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "O", &id, dom_text_class_entry) == FAILURE) {
return;
}
DOM_GET_OBJ(node, id, xmlNodePtr, intern);
if (xmlIsBlankNode(node)) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} end dom_text_is_whitespace_in_element_content */
/* {{{ proto DOMText dom_text_replace_whole_text(string content);
URL: http://www.w3.org/TR/2003/WD-DOM-Level-3-Core-20030226/DOM3-Core.html#core-Text3-replaceWholeText
Since: DOM Level 3
*/
PHP_FUNCTION(dom_text_replace_whole_text)
{
DOM_NOT_IMPLEMENTED();
}
/* }}} end dom_text_replace_whole_text */
#endif
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/